forked from zelo72/mastodon-ios
44 lines
1.6 KiB
Swift
44 lines
1.6 KiB
Swift
//
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// ProfileHeaderViewModel+Diffable.swift
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// Mastodon
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//
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// Created by MainasuK Cirno on 2021-5-25.
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//
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import UIKit
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extension ProfileHeaderViewModel {
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func setupProfileFieldCollectionViewDiffableDataSource(
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collectionView: UICollectionView,
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profileFieldCollectionViewCellDelegate: ProfileFieldCollectionViewCellDelegate,
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profileFieldAddEntryCollectionViewCellDelegate: ProfileFieldAddEntryCollectionViewCellDelegate
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) {
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let diffableDataSource = ProfileFieldSection.collectionViewDiffableDataSource(
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for: collectionView,
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profileFieldCollectionViewCellDelegate: profileFieldCollectionViewCellDelegate,
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profileFieldAddEntryCollectionViewCellDelegate: profileFieldAddEntryCollectionViewCellDelegate
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)
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diffableDataSource.reorderingHandlers.canReorderItem = { item in
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switch item {
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case .field: return true
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default: return false
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}
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}
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diffableDataSource.reorderingHandlers.didReorder = { [weak self] transaction in
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guard let self = self else { return }
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let items = transaction.finalSnapshot.itemIdentifiers
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var fieldValues: [ProfileFieldItem.FieldValue] = []
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for item in items {
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guard case let .field(field, _) = item else { continue }
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fieldValues.append(field)
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}
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self.editProfileInfo.fields.value = fieldValues
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}
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fieldDiffableDataSource = diffableDataSource
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}
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}
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